Duplex Mains Four Transportable

McMichael Radio Ltd.; Slough

  • Year
  • 1932
  • Category
  • Broadcast Receiver - or past WW2 Tuner
  • Radiomuseum.org ID
  • 78019
    • alternative name: McMichael, Leslie

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 4
  • Number of Transistors
  • Main principle
  • TRF (Tuned-Radio-Frequency but use of regeneration unknown)
  • Wave bands
  • Broadcast (MW) and Long Wave.
  • Power type and voltage
  • Alternating Current supply (AC)
  • Loudspeaker
  • -Loudspeaker incorporated, but system not known.
  • Material
  • Wooden case
  • from Radiomuseum.org
  • Model: Duplex Mains Four Transportable - McMichael Radio Ltd.; Slough
  • Shape
  • Tablemodel, Tombstone = decorative upright, not cathedral but can have rounded edges.
  • Dimensions (WHD)
  • 16.5 x 19.25 x 10 inch / 419 x 489 x 254 mm
  • Notes
  • Metal rectifier. Internal frame aerial.

    Also called "Duplex Four Mains Transportable".

    In reality many types of Tubes/Valves "work". The maker's recommended list isn't known yet. The MS4B would be a Marconi recommendation.

  • Price in first year of sale
  • 22.05 GBP
  • Literature/Schematics (1)
  • -- Original prospect or advert

 Collections | Museums | Literature

Collections

The model Duplex Mains Four Transportable is part of the collections of the following members.

 Forum

Forum contributions about this model: McMichael Radio Ltd.: Duplex Mains Four Transportable

Threads: 1 | Posts: 1

Tubes:

First HF TM4150, second HF VSM4,Detect. MHL4, Powertube ACPEN, Rectifier selenium

Roman Kupperman, 27.May.10

Weitere Posts (1) zu diesem Thema.